Topic 4 Review

30

0.3

0.03

3

30

0.3

0.03

3

30

0.3

0.03

3

30

0.3

0.03

3

$$\frac{48}{100}\ x\ \frac{3}{100}$$  

$$\frac{3}{10}\ x\ \frac{48}{100}$$  

$$\frac{48}{100}\ x\ \frac{30}{100}$$  

$$\frac{3}{100}\ x\ \frac{48}{100}$$  

$$\frac{48}{100}\ x\ \frac{3}{10}$$  

0.79 x __ = 790

6.3 x __ = 6,300

0.023 x __ = 23

14.5 x __ = 1,450

0.55 x __ = 55

$$10^2\ x\ _-\ =29$$  

$$10^0\ x\ _-\ =0.29$$  

$$10^2\ x\ _-\ =290$$  

$$10^4\ x\ _-\ =2,900$$  

$$10^1\ x\ _-\ =29$$  

Yes, she is correct

No, she overestimated so her answer should be less than $15.

No, she overestimated so her answer should be greater than $15.

$$4.35\ \times\ 3$$  

$$4.35\ \times\ 1$$  

$$4.35\ \div\ 3$$  

$$4.35\ \div\ 1$$